SOSA Storage
ERCOT-25INR0131BetaActiveBatteryERCOTLBNL + Live
157.36 MW storage in Madison, TX · In queue since July 2022 · Proposed COD May 2027
157.36 MW
Capacity
1
Components
Battery
3y 9m
In Queue
IA Executed
IA Status
Signed Dec 2023
Interconnection Timeline
Queue → IA
1y 5m
IA → COD
3y 5m
Total Duration
1y 5m
Construction75%
Queue EntryJul 25, 2022
Interconnection request submitted to ISO/RTO
Interconnection Study
ERCOT uses a serial "connect and manage" approach — fastest among major ISOs.
Typical: 18–30 months (fastest major ISO)
Interconnection AgreementDec 5, 2023
Interconnection agreement executed — binding commitment to build
Typical: 30–60 days (negotiation)
ConstructionCurrent
Project under construction
Typical: 6–18 months
Commercial Operation
Proposed COD: 2027-05-11
Project Details
State
TX
County
Madison
Region
ERCOT
Developer
SOSA Energy Center LLC
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
Tap 138kV 25 North Zulch - 47 Hilltop Lakes
Data Source
LBNL + Live
No news available for this project.